condition	mean	min	max
4 h after light	6.5	6.5	6.5
8 h after light	3.9499999999999997	3.8	4.1
12 h after light	4.55	3.4	5.7
4 h after dark	3.4499999999999997	2.3	4.6
8 h after dark	15.1	7.0	23.2
12 h after dark	10.75	2.3	19.2